Question

Hasil pengurangan (2x-y) (x+2y)-(-x pangkat dua + 2xy+y pangkat dua

Answer 1

^ = pangkat2

(2x - y)(x + 2y) -(-x^ + 2xy + y^) =
2x^ + 4xy -xy - 2y^ + x^ - 2xy - y^ =
2x^ + x^ + 4xy - xy - 2xy - 2y^ - y^ =
3x^ + xy - 3y^

senoga membantu :)